Sewing-machine.



P. QHATFIELD. SEWING MACHINE. I APPLICATION FILED JUNE 3, 1910.

1,038,851 Patented Sept. 17,1912.

2 SHEETS-SHEET 1.

P. OHATEIELD.

SEWING MACHINE.

APPLICATION FILED JUNE 3, 1910.

Patented Sept. 17, 1912.

2 SHEETS-SHEET 2.

M/Z'A/ESJEKS FRANKLIN CHATFIELD, OF MINNEAPOLIS, MINNESOTA, ASSIGNOR TONORTHWESTERN KNITTING COMPANY, OF MINNEAPOLIS, MINNESOTA.

SEWING-MACHINE.

Specification of Letters Patent.

Patented Sept. 1'7, 1912.

To all whom it may concern Be it known that I, FRANKLIN CHATFIELD, ofMinneapolis, Hennepin county, Minnesota, have invented certain new anduseful Improvements in Sewing-Machines, of which the following is aspecification.

My invention relates to sewing machines designed particularly forseaming or finishing the edges of a knit fabric and the object of theinvention is to provide a device which will prevent the fuzz or nap onthe edge of the fabric from projecting beyond the seamed or stitchededge of the fabric and presenting an unfinished appearance thereto.

' machine, showing the working position of the device, Fig. 3 is a view,partially in section, showing the working position of the fuzz bendingarm with respect to the work plate, Fig. 4 is a detail view illustratingthe fabric passing through the machine, Fig. 5 is a detail View of thework plate, Fig. 6 is a detail view illustrating a modifiedconstruction.

In the drawing, 2 represents a portion of the top of a sewing machine, 3the work plate, a the reciprocating needle bar carrying a series ofneedles 5 and 6 a presser foot mounted on the rod 7 in the head 8. The

. presser foot has an opening 9 through which the needles operate and aslot 10 extending in a direction parallel substantially with themovement of the fabric through the machine. The needles operate tostitch the edge of the fabric and finish the same but the fuzz or nap atthe edge of the goods will, in the ordinary machine, project out throughthe stitches and be visible when the work is completed, causing anincomplete, unfinished look to the edge of the fabric. To obviate thisdifficulty, I provide an arm 11 mounted on a rod 12 that is adapted toslide in hearings in a bracket, 13. A spring 14. is mounted on said rodand its tension tends to depress the arm 11 toward the work plate. Ahandle 15 is mounted on the rod and a hook 16 is-carried by said rod andadapted to engage the bracket 13. The spring 14 is coiled on the rod andconnected to said bracket, and its tension tends to rotate said rod andhold the foot device down upon the work plate. When the rod 18 pushedinwardly and rotated, the arm 11 will swing to the position indicated bydotted lines in Fig. 1 and the hook 16 will engage the bracket and holdthe device in its lnoperative position.

The outer end of the arm 11 is provided with a fuzz deflecting foot 16having a heel portion 17 that is adapted to drop into a slot 18 in thework plate, and a toe portion that is adapted to rest upon the workplate during the operation of stitching the edge of the fabric and asthe fabric is fed past the foot piece, the heel portion 17 will contactwith the fuzz on the fabric and bend it inwardly, as indicated in Fig.4, and the toe portion 19 will hold the fuzz in this 0- sition until thestitches have been forme a sufficient distance to prevent the fuzz ornap from again bending outward and projecting through the stitches. Thetoe piece 19 projects into the stitched portion or, rather, the stitchesare formed over it so that there is no possibility of the nap or fuzzescaping and working out through the stitches during the finishingoperation.

The invention is applicable to any type of sewing machine and willeffectually prevent the fuzz from being visible on the finished edge ofthe garment.

In Fig. 6 I have illustrated a modified construction which consists indispensing with the means for raising the foot device to its inoperativeposition and consists of merely a lug 20 permanently mounted on the workplate and projecting upwardly therefrom to engage the fuzz on the edgeof the fabric and press it inwardly where it will be covered by thestitches, as heretofore described. In this modification the toe deviceextending into the stitched portion of the fabric is also omitted. Inother respects the function of the device is substantially the same, asshown in the principal figure of the drawing.

I claim as my invention 1. The combination, with a slotted work plate,presser foot and needle, of a swinging arm mounted transversely withrespect to the direction of movement of the goods, said arm having afuzz deflecting foot provided with a heel portion that is adapted toenter the slot in said work plate and engage the fuzz on the ed e of thefabric as it is fed past said fuzz deEe-cting foot, said fuzz deflectingfoot also having a toe portion which projects beyond the needle andoperates to hold the fuzz in its bent position against the fabricduring'the stitch forming operation.

2. The combination, with a work plate, presser foot and needle, of asliding springpressed rod, an arm mounted thereon and extendingtransversely to the direction of movement of the work, a foot piecemounted on said arm and extending parallel with the direction ofmovement of the work and adapted to rest upon the upper surface of saidwork plate, said foot piece having a depending portion thereon to entera slot in said work plate, said depending portion being located inadvance of said needle and contacting with the fuzz on the edge of thefabric to bend it inwardly against the fabric, said foot piece operatingto hold the fuzz so bent against the edge of the fabric until thestitches have been formed.

In witness whereof, I have hereunto set my hand this 19th day of May,1910.

c FRANKLIN CHATFIELD. Witnesses:

G. E. SORENSEN, A. M. HALEY.

